a. (sb.) [SUB- 11.] Situated near the margin of a body or organ; (of cells in the wing of a hymenopterous insect) lying behind the marginal cell.

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1829.  Loudon, Encycl. Plants (1836), 877. Sori … marginal or submarginal.

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1846.  Dana, Zooph. (1848), 142. Tentacles … submarginal.

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1861.  H. Hagen, Syn. Neuroptera N. Amer., 343. Submarginal, just behind the margin.

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1872.  H. A. Nicholson, Palæont., 107. Most commonly the anus is marginal, or is sub-marginal.

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  b.  sb. A submarginal cell.

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1896.  Proc. Acad. Nat. Sci. Philad., 30. There are but two submarginal cells;… The so-called second submarginal is morphologically the third, the true second of genera with three submarginals being absent.

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